Intshayelelo emfutshane
Igama lemveliso: Cerium
Ifomula: Ce
Inombolo yeCAS: 7440-45-1
Ubunzima beMolekyuli: 140.12
Ubuninzi: 6.69g/cm3
Indawo yokunyibilika: 795 °C
Imbonakalo: Iziqwenga zesiliva ezisilivere, iingots, intonga, ifoyile, ucingo, njl.
Uzinzo: I-oxidized ngokulula emoyeni.
Ductibility: Kuhle
Iilwimi ezininzi: Isinyithi seCerium
Ikhowudi yeMveliso | 5864 | 5865 | 5867 |
IBanga | 99.95% | 99.9% | 99% |
UHLELO LWEKHEMICAL | |||
I-Ce/TREM (% min.) | 99.95 | 99.9 | 99 |
I-TREM (% min.) | 99 | 99 | 99 |
Ubumdaka boMhlaba obunqabileyo | % max. | % max. | % max. |
La/TREM Pr/TREM Nd/TREM Sm/TREM Eu/TREM Gd/TREM Y/TREM | 0.05 0.05 0.05 0.01 0.005 0.005 0.01 | 0.1 0.1 0.05 0.01 0.005 0.005 0.01 | 0.5 0.5 0.2 0.05 0.05 0.05 0.1 |
Non-Rare Earth Ukungcola | % max. | % max. | % max. |
Fe Si Ca Al Mg Mo O C Cl | 0.15 0.05 0.03 0.08 0.05 0.03 0.03 0.03 0.03 | 0.2 0.05 0.05 0.1 0.05 0.03 0.05 0.05 0.03 | 0.3 0.1 0.1 0.2 0.1 0.05 0.05 0.05 0.05 |
- IiCatalysts kushishino lweemoto: I-Cerium isetyenziswa ngokubanzi kwiinguqu ze-catalytic ukunciphisa ukukhutshwa okuyingozi kwiinjini zokutsha zangaphakathi. Inceda kwi-oxidation ye-carbon monoxide kunye ne-hydrocarbons, ngaloo ndlela inyusa ukusebenza kakuhle kwenkqubo yokukhupha isithuthi. Ikhono le-Cerium lokugcina kunye nokukhulula i-oksijini yenza ukuba ibe yinto ebalulekileyo kwiindlela ezintathu zokunceda ukucoca umoya.
- Iglasi kunye neeCeramics: I-cerium dioxide yeyona nto iphambili kwimveliso yeglasi kunye neekeramics. Isebenza njenge-ejenti yokupholisa, inika umgangatho ophezulu wokugqitywa kwiglasi. Ukongeza, iikhompawundi ze-cerium zisetyenziselwa ukukhulisa iipropathi zeglasi, ziyenze ixhathise ngakumbi kwimitha ye-UV kwaye inyuse ukuqina kwayo. Esi sicelo sibaluleke kakhulu ekuveliseni iimveliso zeglasi eziphezulu ezifana neelensi kunye neziboniso.
- I-alloying Additive: I-Cerium isetyenziswe njenge-agent alloying yeentsimbi ezahlukeneyo, kuquka i-aluminium kunye nentsimbi. Ukongezwa kwe-cerium kuphucula iimpawu zemishini yala ma-alloys, njengamandla, i-ductility, kunye nokumelana ne-oxidation. Ii-alloys ezine-cerium zisetyenziswa kwi-aerospace, i-automotive, kunye nezicelo zokwakha apho ukusebenza okuphuculweyo kunye nokuqina kubalulekile.
- Phosphors ekukhanyeni kunye neziboniso: I-Cerium yinxalenye ephambili yezinto ze-phosphor ezisetyenziselwa izibane ze-fluorescent kunye nezibane ze-LED. Inceda ukuguqula ukukhanya kwe-ultraviolet ekukhanyeni okubonakalayo, ukuphucula ukusebenza kakuhle kunye nomgangatho wombala wokukhanya okukhutshwayo. Ukongeza, izinto ezenziwe nge-cerium-doped zikwasetyenziswa kwiitekhnoloji zokubonisa ezinje ngeeTV kunye nezikrini zekhompyuter ukukhulisa ukuveliswa kombala kunye nokukhanya.
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